Phillips 66 engages in the processing, transportation, storage, and marketing of fuels and other related products. The company operates through the following segments: Midstream, Chemicals, Refining, and Marketing & Specialties. The Midstream segment provides crude oil and refined products transportation, terminal, and processing services, as well as natural gas, natural gas liquids, and liquefied petroleum gas transportation, storage, processing, and marketing services. The Chemicals segment produces and markets petrochemicals and plastics worldwide. The Refining segment Refines crude oil and other feedstocks into petroleum products such as gasoline, distillates, and aviation fuels. The Marketing and Specialties segment purchases for resale and markets refined petroleum products such as base oils and lubricants, and power generation operations. The company was founded in 1875 and is headquartered in Houston, TX.